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Monica [59]
3 years ago
7

explain how blood flow in the skin helps to maintain a constant body temperature in very hot conditions.

Biology
1 answer:
Leno4ka [110]3 years ago
7 0

Answer:

The skin immense blood supply helps regulate temperature

Explanation:

The skin immense blood supply helps regulate temperature

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Based on their observations and the data they collected, the Grants concluded that evolution by natural selection had occurred i
aalyn [17]

Answer:

C. Beak size is an inherited trait in the finch population under study.

D. Birds that could eat larger, tougher seeds survived and reproduced during the drought.

E. Beak size varies among the birds in the finch population under study.

Explanation:

The presence of genetic variations among the individuals of a population is required for natural selection to be operative. Natural selection targets the beneficial genetic variations present in the population. Natural selection refers to the differential reproductive and survival success of organisms of a population due to some beneficial genetic traits. These organisms with beneficial genetic traits are able to survive and leave more progeny under prevailing conditions.

If the natural selection has occurred in the ground finch population for the beak size, the beak size should be a genetic trait since natural selection works on genetic traits only. The finch population should have variations with respect to the beak size. The finches having the larger beak size that enabled them to feed on larger, tougher seeds should have higher survival and reproductive fitness during the drought.

Under these conditions, natural selection would favor the finches with larger beak size and would eventually result in an increase in the average beak size of the future generations.

4 0
3 years ago
What temperature and humidity levels are needed up high and near the ground for a thunderstorm to develop?
Artemon [7]
The second answer
Temperatures up high need to be warmer near the surface, surface air needs to be humid
8 0
2 years ago
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Lacrimal secretions contain a type of antibody that blocks the passage of antigens to deeper internal tissues. Which type of ant
Gelneren [198K]
The lacrimal<span> glands secrete tears which act to lubricate and protect the cornea and eyeball from injury which may result from small particles such as dust. Tears are a watery fluid with an electrolyte content similar to that of plasma and contains: bactericidal enzymes known as lysozyme and lactoferrin.</span>
8 0
3 years ago
Which type of limiting factor affects a large population more than it affects a small population?
xeze [42]
Density dependent would be the answer
8 0
3 years ago
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Organism at the end of a food chain
stira [4]

Answer:

is always a higher organism

Explanation:

lets take an example:

food chain consisting of zooplankton, small fish, big fish and man

as the order goes in the question ,the organism at the end of this food chain is man

5 0
3 years ago
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